The first two wave types, P and S, are called body waves because they travel or propagate through the body of Earth. The latter two are called surface waves they the travel along Earth's surface and their amplitude decreases with depth into Earth.
Toysmith Spring Ring Game. Here is a super fun game the kids might like. Nordstrom has this Toysmith Spring Ring Game for $14.98! That is down from the normal price of $24.99, for a 40% savings.
Just in time for Christmas, Forbes declares fidget spinners âthe must-have office toy for 2017,â observing that stressed-out executives whose fingers are âa raw, bloody messâ because of âboredom-induced nail-bitingâ are trading their stress balls for fidget spinners like MD Engineeringâs Torqbars, priced from $129.99 to $259.99 but which begin selling for as much as $400 on eBay, because of their limited availability.